<template>
	<section>
		<!--工具条: 高级查询 + 新增-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true">
				<el-form-item>
					<el-input v-model="keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="warning" v-on:click="keywordQuery">查询</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表v-loading="listLoading"-->
		<!-- 
			:data="tableDatas"  : 表格数据
			v-loading="listLoading" : 加载框
			@selection-change="handleSelectionChange" : 选项改变时触发-批量删除时会用
			highlight-current-row : 当前行高亮
			style="width: 100%;
		 -->
		<el-table :data="tableDatas" v-loading="listLoading" @selection-change="handleSelectionChange" highlight-current-row
			style="width: 100%;">
			<!--多选框-->
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="70" label="序号">
			</el-table-column>
			<el-table-column prop="name" label="权限名称" width="200">
			</el-table-column>
			<el-table-column prop="url" label="接口地址" width="200">
			</el-table-column>
			<el-table-column prop="sn" label="权限编码" width="200">
			</el-table-column>
			<el-table-column prop="descs" label="权限描述">
			</el-table-column>
		</el-table>
		<!--工具条: 批量删除 + 分页栏-->
		<el-col :span="24" class="toolbar">
			<!-- 
				@size-change="handleSizeChange"  : pageSize改变的时候会触发
				@current-change="handleCurrentChange" : 当前页改变时触发
				:current-page="currentPage" :当前页
				:page-sizes="[5, 10, 15]"  : pageSize选择框
				:page-size="pageSize" : 每页显示的条数
				layout="total, sizes, prev, pager, next, jumper" : 布局
				:total="totals" : 总条数
				style="float:right;" - 右边
			 -->
			<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
				:page-sizes="[5, 10, 15]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper"
				:total="totals" style="float:right;">
			</el-pagination>
		</el-col>
	</section>
</template>

<script>

export default {
	data() {
		return {
			//1.分页查询相关数据
			totals: 0,//总记录条数
			currentPage: 1,//当前页,要传递到后台的
			pageSize: 5, //每页显示多少条
			tableDatas: [], //当前页数据
			listLoading: false,

			//2.高级查询相关数据
			keyword: '',

		}
	},
	methods: {
		//1.分页查询相关方法
		//1.1.获取列表数据
		getTableData() {
			//组装请求参数
			let params = {
				"currentPage": this.currentPage,
				"pageSize": this.pageSize,
				"keyword": this.keyword
			}
			this.listLoading = true;
			this.$http.post("/permission", params).then(res => {
				this.tableDatas = res.data.list;//list和total来自于pageInfo
				this.totals = res.data.total;
				this.listLoading = false;
			}).catch(res => {
				this.$message.error("系统繁忙,请稍后重试");
				this.listLoading = false;
			})
		},
		//1.2.选择第几页时触发
		handleCurrentChange(currentPage) {
			this.currentPage = currentPage;
			this.getTableData();
		},
		//1.3.选择每页显示记录条数时触发
		handleSizeChange(pageSize) {
			this.pageSize = pageSize;
			this.getTableData();
		},

		//2.高级查询相关方法
		keywordQuery() {
			//高级查询的数据从第1页展示
			this.currentPage = 1;
			this.getTableData();
		},
	},
	mounted() {
		this.getTableData();
	}
}

</script>

<style scoped></style>
